html,body{
    margin: 0;
    padding: 0;
    font-size: 4vw;  /*一行中的一个字是一行的4%的宽度*/


}

/***************全部容器部分*****************/
.container {
    display: flex;/*弹性布局*/
    /*justify-content: center;/*主轴上的对齐方式*/
    flex-direction: column; /*垂直排布*/
    height: 100vh;/*高度占比100%*/
}
/***************顶部信息部分*****************/
.join-top {
    display: flex;
    align-items: center;
    gap: 28vw;
    margin-top: 10px;
    margin-bottom: 30px;
}
.cancel{
    display: flex;
    margin-left: 25px;
    font-size: 3.8vw;
    color: #717171;
}
.title{
    display: flex;
}
/***************底部按钮部分*****************/
.footer {
    background-color: dodgerblue;
    display: flex;
    justify-content: center;
    align-items: center;

    height: 10vw;
    border-radius: 10px;
    margin: auto 25px 50px 25px;
}
.footer span{
    color: white;
}
/***************会议类型部分*****************/
.book-choose {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}
.book-choose-item1 {
    margin: 15px 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;

    border-radius: 10px;
    border: 1px solid #3667CC;
    height: 20vw;
    background-color: #EBF1FF;
}
.book-choose-item1 span{
    margin-left: 25px;
    user-select: none;/*使得文字不能被选中，而是跳转状态*/
    cursor: pointer;
}
.supplement{
    font-size: 3vw;
    color: #7E818A;
    margin-top: 5px;
}
.book-choose-item {
    margin: 15px 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;

    border-radius: 10px;
    border: 1px solid #D6D6D6;
    height: 20vw;
}
.book-choose-item span{
    margin-left: 25px;
    user-select: none;/*使得文字不能被选中，而是跳转状态*/
    cursor: pointer;
}

/***************小贴士部分*****************/
.prompt {
    display: flex;
}
.prompt img{
    margin-left: 25px;
    height: 4vw;
    width: 4vw;
}
.prompt span{
    font-size: 3vw;
    margin-left: 3px;
    color: #575759;
}
.highlight{
    font-size: 3vw;
    color: blue;
    user-select: none;/*使得文字不能被选中，而是跳转状态*/
    cursor: pointer;
    margin-left: 10px;
}